The invention discloses a cooling system and a cooling method shared by a brake resistor and an engine of a hybrid electric vehicle, the system comprises an engine internal circulation system, the brake resistor, a radiator, an electromagnetic switch, an electric water pump and a vehicle-mounted ECU, and the engine internal circulation system is connected with the brake resistor and the radiator through a cooling circulation pipeline; when the vehicle is in a general driving state, the engine works, and the engine water pump mainly supplies cooling water to the cooling circulation pipeline; and when the vehicle is in a silent driving state, the electric water pump provides cooling water for the cooling circulation pipeline. The brake resistor and the engine share one set of cooling system, so that the occupied space is greatly reduced, and the space utilization rate is increased; and the cooling system can select different cooling schemes according to the driving state of the vehicle, so that the cooling effect of the engine and the brake resistor is effectively improved, the safe operation of the engine and the brake resistor is ensured, and the service life is prolonged.

    本发明公开了一种混合动力汽车制动电阻和发动机共用冷却系统及冷却方法,所述系统包括发动机内循环系统、制动电阻、散热器、电磁开关、电动水泵及车载ECU,所述发动机内循环系统通过冷却循环管路与制动电阻及散热器连接;当车辆处于一般行驶状态时,发动机工作,主要由发动机水泵为冷却循环管路提供冷却水;当车辆处于静默行驶状态时,由电动水泵为冷却循环管路提供冷却水。本发明所述制动电阻和发动机共用一套冷却系统,大大减小了占用空间,提高了空间利用率;且所述冷却系统根据车辆的行驶状态可以选择不同的冷却方案,有效提高了发动机及制动电阻的冷却效果,确保其安全运行,延长使用寿命。


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    Title :

    Cooling system and cooling method shared by brake resistor and engine of hybrid electric vehicle


    Additional title:

    混合动力汽车制动电阻和发动机共用冷却系统及冷却方法


    Contributors:
    YU DONGFANG (author) / QIU DONG (author) / ZHU XUEBIN (author) / DU HONGBIN (author) / CUI HONGJIE (author) / YANG YAN (author) / YANG SHAODONG (author) / LIU QING (author) / YUE YINGYING (author) / SONG XIAOBO (author)

    Publication date :

    2021-04-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / F01P Kühlung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , COOLING OF MACHINES OR ENGINES IN GENERAL / F02B INTERNAL-COMBUSTION PISTON ENGINES , Brennkraftmaschinen mit innerer Verbrennung mit Verdrängerwirkung



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